Remove name parameter for image library

Author: Irene Alvarado

examples/image/image-example.ts

@@ -8,17 +8,17 @@ const url3 = 'https://i.giphy.com/media/5wWf7HapUvpOumiXZRK/giphy.gif'
 // Read different images from a url
 const image1 = await readImageFromURL(url1)
 // (bytes, path, name)
-await writeImage(image1.bytes, './examples/image/', 'cat.jpeg') // custom name
+await writeImage(image1.bytes, './examples/image/cat.jpeg') // custom name
 
 const image2 = await readImageFromURL(url2)
-await writeImage(image2.bytes, './examples/image/', image2.name) // default image name
+await writeImage(image2.bytes, `./examples/image/${image2.name}`) // default image name
 
 const image3 = await readImageFromURL(url3)
-await writeImage(image3.bytes, './examples/image/', image3.name)
+await writeImage(image3.bytes, `./examples/image/${image3.name}`)
 
 // Image manipulation example - reading from a file
 const bytes = await readImageFromFile('./examples/image/cat.jpeg') // local file
 const image = await Image.decode(bytes);
 image.crop(image.width/4, image.height/4, image.width/2, image.height/2); // x, y, width, height
 const newImageBytes = await image.encode()
-await writeImage(newImageBytes, './examples/image/', 'cat-cropped.jpeg')
+await writeImage(newImageBytes, './examples/image/cat-cropped.jpeg')

examples/json/json-example.ts

@@ -1,6 +1,6 @@
 import { readJSON, writeJSON } from '../../src/json.ts' // replace with latest library https://deno.land/x/flat@0.0.x/mod.ts
 
-const json = await readJSON('./examples/json/data.json') as any
+const json = await readJSON('./examples/json/data.json')
 
 // a New custom json to save
 const newData = {

src/image.ts

@@ -2,7 +2,7 @@ import { mime } from "https://cdn.deno.land/mimetypes/versions/v1.0.0/raw/mod.ts
 import { urlParse } from 'https://cdn.deno.land/url_parse/versions/1.0.0/raw/mod.ts';
 import { basename } from "https://deno.land/std@0.92.0/path/mod.ts";
 
-export async function readImageFromURL(url: string) {
+export async function readImageFromURL(url: string): Promise<{ bytes: Uint8Array; name: string; }> {
     const response = await fetch(url); // fetch an image
     const mimeType = response.headers.get('content-type');
     const imageBytes = new Uint8Array(await response.arrayBuffer());
@@ -19,12 +19,11 @@ export async function readImageFromURL(url: string) {
     return { bytes: imageBytes, name: defaultImageName }
 }
 
-export async function readImageFromFile(path: string) {
+export async function readImageFromFile(path: string): Promise<Uint8Array> {
     const bytes = await Deno.readFile(path) // local file
     return bytes
 }
 
-export async function writeImage(imageBytes: Uint8Array, path: string, name?: string) {
-    const imagePath = `${path}${name}`
-    await Deno.writeFile(imagePath, imageBytes);
+export async function writeImage(imageBytes: Uint8Array, path: string) {
+    await Deno.writeFile(path, imageBytes);
 }